Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7350470 | Plastic safe with concealed hinge A plastic safe box has a housing formed of connected panels defining an interior space, and a pivoting door supported on a hinge member integrally formed with said pivoting door. The hinge member receives a support rod mounted inside the safe such that the hinge mem... | 04/01/2008 |
| 7318632 | Storage cabinet with latching mechanism A storage cabinet having a latching mechanism that can be unlatched by the use of either an upper actuator or a lower actuator is provided. The upper actuator may comprise a hand knob while the lower actuator may comprise a foot pedal. Thus, if an operator has his a... | 01/15/2008 |
| 7287403 | Hook latch A hook latch for fastening and unfastening a closure member to a keeper in a latched position. The hook latch is moveable between the latched position and an open position. The hook latch comprises a rotation means which preferably comprises a knob connected to a ca... | 10/30/2007 |
| 7168745 | Device for latching a cabinet door A vending machine cabinet is retained in a closed position by a hook that is engaged by a vertically moveable latch bar that can be latched closed without requiring a solenoid. The latch bar is moved by means of a cam attached to one of the hooks. Prior to engaging ... | 01/30/2007 |
| 7165790 | Distortion resistant silent push-push latch A push-push latch assembly includes opposed gripper arms moved between opened and closed positions upon axial activation of a slide in a housing. The gripper arms have pin disposed in channels of the housing, the channels being angularly oriented to urge the gripper... | 01/23/2007 |
| 7036851 | Latching system for sliding window A latch system for securing a sliding window to a fixed member, the latch assembly including a latch housing, a catch housing, and a latch assembly. The latch assembly includes first and second latch arms and an actuator. The latch arms are pivotally secured to the ... | 05/02/2006 |
| 6772612 | Door-in-door front opening unified pod An apparatus for holding a substrate includes a shelf capable of holding the substrate; a body which encloses the shelf, the body having an open side; and an outer door frame pivotally coupled to the body and defining an opening. The apparatus also includes an inner... | 08/10/2004 |
| 6077427 | Water vending machine A water vending machine is provided of the type having a water purification system for producing a supply of relatively purified water for dispensing into a customer-supplied container such as a water bottle. The vending machine includes an open dispense ... | 06/20/2000 |
| 5802891 | Anchor assembly for multiple drawer locking system An improved anchor assembly for a multiple drawer locking system having a "C" shaped lock bar with an access slot, the anchor assembly including an anchor having an anchor element for slidably mounting in the lock bar and a mounting device; a multi-facete... | 09/08/1998 |
| 5691879 | Locking apparatus including key actuated movable locking bar for disk drive carriers The present invention provides a simple, compact and cost effective locking device that simultaneously secures a multiple of hard disk drive carriers or cartridges in a disk drive housing. The disk drive housing includes at least two disk drive carrier ba... | 11/25/1997 |
| 5632166 | Linear locking mechanism for furniture A locking mechanism for furniture unit is provided which utilizes a single component for translating rotary motion of a tumbler cylinder of a key lock into reciprocating, linear motion of a pair of opposing lock rods. The mechanism includes a base having ... | 05/27/1997 |
| 4813251 | Four point locking system for storage cabinets A four point locking system for a storage cabinet having a pair of outwardly pivotable doors which provide access to the cabinet interior. The locking system includes a lock bar vertically disposed in each door and adapted to be moved downwardly into the ... | 03/21/1989 |
| 4741186 | Locking mechanism for sliding doors or windows and method of installation A special locking device is provided for locking horizontally movable doors or windows of show cases by providing simple means that simultaneously move a pair of pins strategically located along track means to move through strategically located apertures ... | 05/03/1988 |
| 4609233 | Furniture locking system An improved locking system for furniture of the type having a plurality of drawers, at least one of which is locked from a remote position through a keyed operator module by translating a slide bar to interfere with one of the drawers in a locked position... | 09/02/1986 |
| 4037440 | Security lock for doors A locking device mountable within a door in a door frame, comprises a casing including a pair of side plates, a toothed-wheel rotatably disposed between the side plates, and a plurality of locking bars coupled to the toothed-wheel and projectable thereby ... | 07/26/1977 |
| 3975934 | Key-operated door locking device A key-operated door locking device includes a conventional rim lock adapted to be mounted to one side of the door and having a bolt projectable and withdrawable with respect to the door frame by means of a dog carried on the lock cylinder and rotatable by... | 08/24/1976 |
| 3936108 | File cabinet drawer locking mechanism A locking mechanism for file cabinet drawers having a receding front wall includes a vertically movable elongated rod with horizontally extending projections which is positioned adjacent the side walls of the drawers on one side of the file cabinet; a rot... | 02/03/1976 |
